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Finding the Fourth Proportional to 24,125.80, 36,186.96 and 7,485.40

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Solution

The fourth proportional to 24,125.80, 36,186.96 and 7,485.40 is: 11,227.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,125.80 : 36,186.96 = 7,485.40 : x
  2. Step 2: Convert to fraction form
    24,125.80/36,186.96 = 7,485.40/x
  3. Step 3: Cross multiply
    24,125.80x = 36,186.96 × 7,485.40
  4. Step 4: Simplify right side
    24,125.80x = 270,873,870.38
  5. Step 5: Solve for x
    x = 270,873,870.38/24,125.80
  6. Step 6: Final answer
    x = 11,227.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.